What does diag in A=diag( 1, 2,3) in linear algebra mean?

Diagnosis Yes (Select diagonal element)

And linear algebraic functions:

Det (finding determinant value), inv (inverse of matrix), qr (quadratic residue decomposition), svd (singular value decomposition), bdiag (finding generalized eigenvalue), spec (finding eigenvalue), schur(schur decomposition) and trace (finding sum of diagonal elements).

How many corners does a math textbook have? What corners are they?

What books are good in the third grade math books?

Mathematical analysis, how to do the sixth question, the correct answer has been written, explain it, thank you

How much is two thousand +65438+ ten thousand?

What are the subjects of comprehensive management and comprehensive literature?

Mobile phone number, husband and wife number, mobile phone number, good or bad test?

Seventh grade juvenile intelligence development newspaper mathematics special edition No.40 the answer is urgent! ! ! ! ! ! ! ! ! ! ! ! !

Challenge the finale mathematics 20 15

Is there a future for graduate students in the Department of Mathematics?

A math application problem for the senior high school entrance examination! ! Urgent! !